5306-01-281-9187 BOLT,MACHINE Index 5305-01-281-9189 SCREW,MACHINE

National Stock Number:
5306-01-281-9188

Federal Supply Class:
5306

National Item Identification Number:
012819188

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
5/16-18UNC-2A X 1 1/4LG GR5 ZINC80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
M1222B2N5C220GFNZX81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M1222RN5C220GFNZE81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.210 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND 5 GRADE
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.099 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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